package com.sky.controller.admin;


import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;



    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping()
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("开始新增菜品");
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key= "dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }


    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("开始菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    @DeleteMapping()
    @ApiOperation("删除菜品接口")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品开始批量删除:{}",ids);
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        dishService.deleteBatch(ids);

        //将所有菜品缓存数据清理掉


        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据id获得菜品信息")
    public Result<DishVO> getById(@PathVariable Long id){

        log.info("开始通过id查询菜品:{}",id);

        DishVO dishVO = new DishVO();
        dishVO=dishService.getByIdWithFlavor(id);

        return Result.success(dishVO);
    }


    @PutMapping()
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品");
        dishService.updateWithFlavor(dishDTO);

        //清理缓存数据
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("通过分类id查询菜品")
    public Result<List<DishVO>> list(Long categoryId){

        log.info("开始根据分类id查询菜品");
        Dish dish = new Dish();
        dish.setCategoryId(categoryId);
        dish.setStatus(StatusConstant.ENABLE);

        List<DishVO> list =dishService.listWithFlavor(dish);
        return Result.success(list);

    }


    @PostMapping("/status/{status}")
    @ApiOperation("菜品的起售和停售")
    public Result stopOrStart(@PathVariable String status,String id){
        log.info("开始修改菜品:{},的起售停售",id);
        dishService.stopOrStart(status,id);
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }


}
